package com.example.notification;

import java.util.List;

/**
 * 邮件通知服务 - 与SMS通知服务有相似方法，适合提取公共接口
 */
public class EmailNotificationService {
    
    private String smtpServer;
    private int smtpPort;
    private String username;
    private String password;
    
    public boolean sendNotification(String recipient, String subject, String content) {
        System.out.println("发送邮件通知到: " + recipient);
        System.out.println("主题: " + subject);
        System.out.println("内容: " + content);
        
        // 模拟邮件发送逻辑
        try {
            connectToSmtpServer();
            authenticate();
            sendEmail(recipient, subject, content);
            return true;
        } catch (Exception e) {
            System.err.println("邮件发送失败: " + e.getMessage());
            return false;
        }
    }
    
    public void batchSendNotifications(List<String> recipients, String subject, String content) {
        for (String recipient : recipients) {
            sendNotification(recipient, subject, content);
        }
    }
    
    public String getNotificationStatus(String notificationId) {
        // 模拟查询邮件状态
        return "DELIVERED";
    }
    
    public boolean validateRecipient(String recipient) {
        return recipient != null && recipient.contains("@") && recipient.contains(".");
    }
    
    public void configure(String server, int port, String user, String pass) {
        this.smtpServer = server;
        this.smtpPort = port;
        this.username = user;
        this.password = pass;
    }
    
    // 邮件特有的方法
    private void connectToSmtpServer() {
        System.out.println("连接到SMTP服务器: " + smtpServer + ":" + smtpPort);
    }
    
    private void authenticate() {
        System.out.println("SMTP认证: " + username);
    }
    
    private void sendEmail(String recipient, String subject, String content) {
        System.out.println("发送邮件完成");
    }
    
    public void setEmailTemplate(String templateName, String template) {
        System.out.println("设置邮件模板: " + templateName);
    }
    
    public List<String> getEmailHistory(String recipient) {
        // 返回邮件历史
        return List.of("email1", "email2", "email3");
    }
}